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2,956
RESULTS

Media Type
2,835
texts
118
audio
3
movies
Availability
2,956
Always Available
Year
65
2018
47
2017
30
1967
19
1966
19
1960
24
1942
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Topics & Subjects
181
Science
117
Radio Program
50
Geology
49
Anthropology
48
Biology
44
birds
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Collection
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Creator
182
united states national museum
66
robert ridgway
44
paul bartsch
39
leonhard stejneger
34
george p merrill
32
theodore gill
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Language
2,914
English
2
Eng;la
1
Handwritten English
1
Korean
1
Latin
1
Norwegian
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